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A group of automorphisms $G$ acting on a curve $X$ is necessarily a subgroup of the automorphism group $\Aut(X)$, but need not equal $\Aut(X)$. When $G=\Aut(X)$ we say that $G$ is the full group of automorphisms.

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• Review status: reviewed
• Last edited by Andrew Sutherland on 2018-06-22 14:35:40
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